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1#
2# Copyright (C) 2021 Google, Inc.
3#
4# Permission is hereby granted, free of charge, to any person obtaining a
5# copy of this software and associated documentation files (the "Software"),
6# to deal in the Software without restriction, including without limitation
7# the rights to use, copy, modify, merge, publish, distribute, sublicense,
8# and/or sell copies of the Software, and to permit persons to whom the
9# Software is furnished to do so, subject to the following conditions:
10#
11# The above copyright notice and this permission notice (including the next
12# paragraph) shall be included in all copies or substantial portions of the
13# Software.
14#
15# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21# IN THE SOFTWARE.
22
23from mako.template import Template
24from xml.etree import ElementTree
25import os
26import sys
27
28def dbg(str):
29    if False:
30        print(str)
31
32cnt = 0
33def cname(name):
34    global cnt
35    cnt = cnt + 1
36    return name + '_' + str(cnt)
37
38class Option(object):
39    def __init__(self, xml):
40        self.cname = cname('option')
41        self.name = xml.attrib['name']
42        self.value = xml.attrib['value']
43
44class Application(object):
45    def __init__(self, xml):
46        self.cname = cname('application')
47        self.name = xml.attrib['name']
48        self.executable = xml.attrib.get('executable', None)
49        self.sha1 = xml.attrib.get('sha1', None)
50        self.application_name_match = xml.attrib.get('application_name_match', None)
51        self.application_versions = xml.attrib.get('application_versions', None)
52        self.options = []
53
54        for option in xml.findall('option'):
55            self.options.append(Option(option))
56
57class Engine(object):
58    def __init__(self, xml):
59        self.cname = cname('engine')
60        self.engine_name_match = xml.attrib['engine_name_match']
61        self.engine_versions = xml.attrib.get('engine_versions', None)
62        self.options = []
63
64        for option in xml.findall('option'):
65            self.options.append(Option(option))
66
67class Device(object):
68    def __init__(self, xml):
69        self.cname = cname('device')
70        self.driver = xml.attrib.get('driver', None)
71        self.device = xml.attrib.get('device', None)
72        self.applications = []
73        self.engines = []
74
75        for application in xml.findall('application'):
76            self.applications.append(Application(application))
77
78        for engine in xml.findall('engine'):
79            self.engines.append(Engine(engine))
80
81class DriConf(object):
82    def __init__(self, xmlpath):
83        self.devices = []
84        root = ElementTree.parse(xmlpath).getroot()
85
86        for device in root.findall('device'):
87            self.devices.append(Device(device))
88
89
90template = """\
91/* Copyright (C) 2021 Google, Inc.
92 *
93 * Permission is hereby granted, free of charge, to any person obtaining a
94 * copy of this software and associated documentation files (the "Software"),
95 * to deal in the Software without restriction, including without limitation
96 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
97 * and/or sell copies of the Software, and to permit persons to whom the
98 * Software is furnished to do so, subject to the following conditions:
99 *
100 * The above copyright notice and this permission notice (including the next
101 * paragraph) shall be included in all copies or substantial portions of the
102 * Software.
103 *
104 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
105 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
106 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
107 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
108 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
109 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
110 * IN THE SOFTWARE.
111 */
112
113struct driconf_option {
114    const char *name;
115    const char *value;
116};
117
118struct driconf_application {
119    const char *name;
120    const char *executable;
121    const char *sha1;
122    const char *application_name_match;
123    const char *application_versions;
124    unsigned num_options;
125    const struct driconf_option *options;
126};
127
128struct driconf_engine {
129    const char *engine_name_match;
130    const char *engine_versions;
131    unsigned num_options;
132    const struct driconf_option *options;
133};
134
135struct driconf_device {
136    const char *driver;
137    const char *device;
138    unsigned num_engines;
139    const struct driconf_engine *engines;
140    unsigned num_applications;
141    const struct driconf_application *applications;
142};
143
144<%def name="render_options(cname, options)">
145static const struct driconf_option ${cname}[] = {
146%    for option in options:
147    { .name = "${option.name}", .value = "${option.value}" },
148%    endfor
149};
150</%def>
151
152%for device in driconf.devices:
153%    for engine in device.engines:
154    ${render_options(engine.cname + '_options', engine.options)}
155%    endfor
156
157%if len(device.engines) > 0:
158static const struct driconf_engine ${device.cname}_engines[] = {
159%    for engine in device.engines:
160    { .engine_name_match = "${engine.engine_name_match}",
161%        if engine.engine_versions:
162      .engine_versions = "${engine.engine_versions}",
163%        endif
164      .num_options = ${len(engine.options)},
165      .options = ${engine.cname + '_options'},
166    },
167%    endfor
168};
169%endif
170
171%    for application in device.applications:
172    ${render_options(application.cname + '_options', application.options)}
173%    endfor
174
175%if len(device.applications) > 0:
176static const struct driconf_application ${device.cname}_applications[] = {
177%    for application in device.applications:
178    { .name = "${application.name}",
179%        if application.executable:
180      .executable = "${application.executable}",
181%        endif
182%        if application.sha1:
183      .sha1 = "${application.sha1}",
184%        endif
185%        if application.application_name_match:
186      .application_name_match = "${application.application_name_match}",
187%        endif
188%        if application.application_versions:
189      .application_versions = "${application.application_versions}",
190%        endif
191      .num_options = ${len(application.options)},
192      .options = ${application.cname + '_options'},
193    },
194%    endfor
195};
196%endif
197
198static const struct driconf_device ${device.cname} = {
199%    if device.driver:
200    .driver = "${device.driver}",
201%    endif
202%    if device.device:
203    .device = "${device.device}",
204%    endif
205    .num_engines = ${len(device.engines)},
206%    if len(device.engines) > 0:
207    .engines = ${device.cname}_engines,
208%    endif
209    .num_applications = ${len(device.applications)},
210%    if len(device.applications) > 0:
211    .applications = ${device.cname}_applications,
212%    endif
213};
214%endfor
215
216static const struct driconf_device *driconf[] = {
217%for device in driconf.devices:
218    &${device.cname},
219%endfor
220};
221"""
222
223xml = sys.argv[1]
224dst = sys.argv[2]
225
226with open(dst, 'wb') as f:
227    f.write(Template(template, output_encoding='utf-8').render(driconf=DriConf(xml)))
228
229